Use Descartes' Rule of Signs and the Rational Zeros Theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x) = 3x3 + 8x2 - 5x + 6
A. -3, 
, 1; f(x) = (3x - 2)(x - 1)(x + 3)
B. 1, 
, -3; f(x) = (3x - 2)(x - 1)(x + 3)
C. -1, 
, -3; f(x) = (3x - 2)(x - 3)(x + 1)
D. -1, 
, 3; f(x) = (3x - 2)(x - 3)(x + 1)
Answer: D
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Evaluate the integral.
A. 
B. 4
C. - 
D. - 3
Evaluate the integral.
A. 
tan-1 
B. 
tan-1 
- 
tan-1 
C. sin-1 
- sin-1 
D. tan-1 
- tan-1 
Provide an appropriate response.To graph 
on a graphics calculator, we must consider the union of the graphs of the two functions. 
and 
. Using the graph of 
, explain (a) how the solution set of 
can be determined graphically
and (b) how it relates to the domain of the hyperbola.
What will be an ideal response?
Solve the problem.Suppose that one out of every five federal tax returns which are submitted has an error. Out of 10,000 submitted returns, find the probability that there are more than 2080 with an error.
A. approximately 0.25 B. approximately 0.025 C. approximately 0.5 D. approximately 0.95 E. approximately 0.75